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- Title
Microplastic accumulation in bivalves collected from different coastal areas of Vietnam and an assessment of potential risks.
- Authors
Doan, Thi Oanh; Duong, Thi Thuy; Pham, Le Anh; Nguyen, Thi My; Pham, Phuong Thao; Hoang, Thi Quynh; Phuong, Ngoc Nam; Nguyen, Thuy Lien; Pham, Thi Thu Ha; Ngo, Thi Diem My; Le, Nam Anh; Vo, Van Chi; Do, Van Manh; Le, Thi Phuong Quynh
- Abstract
Microplastic (MP) pollution is an emerging problem in many areas around the world and in coastal areas of Vietnam, requiring more studies dedicated to the accumulation of this pollutant in the food chain as well as its potential risk to human health. This study investigated MP levels in tissues of five common bivalve species collected from aquaculture areas along the coast of Vietnam. MPs were found in all bivalve samples, with average values of 10.84 ± 2.61 items/individual or 2.40 ± 1.34 items/g wet weight. Impacts of feeding habits of bivalves showed influences on MP abundance in the samples. Fibers were the dominant shape of MPs recorded, most of which accumulated in the gills and digestive glands of all bivalve samples, with the majority falling within the size range of 300—2000 µm. MPs found in all studied species had relatively similar chemical compositions, mainly composed of polypropylene (PP) and polyethylene (PE). In this study, a diverse diet consisting of different bivalve species and detailed data on the consumption rate of these species were used to assess the human health risk of MPs dedicated to the coastal communities of Vietnam. The results suggested a significant part of MP uptake by human could be via bivalve consumption, in which removing viscera and proper depuration should be applied prior to eating, thereby reducing the risk.
- Subjects
VIETNAM; BIVALVE shells; BIVALVES; RISK assessment; FOOD chains; AQUACULTURE
- Publication
Environmental Monitoring & Assessment, 2023, Vol 195, Issue 12, p1
- ISSN
0167-6369
- Publication type
Article
- DOI
10.1007/s10661-023-12087-8